The spotlight is yours! Now you can have big concerts with this microphone. The microphone can be used in a radius of up to 10 meters and lasts up to 5 hours when charged. It has built-in echo effect and voice change so your concerts will be extra entertaining. You can connect your own device via Bluetooth or SD card so you can sing to all your favorite songs. The LED lights help create a party. Switch to the next song or go back, pause or start. There is a built-in rechargeable battery.